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That makes sense. Anyway, the point I was attempting to make stems from wanting (near) universal compatibility with this. No PK3 format, since many source ports can't handle the zip format, or Mapinfo, since that would be the job of the sourceport. But, if that isn't your goal, then that's just the way it is.

However, do you think that future versions could add in device-exclusive official maps? Sush as by extracting the maps from the GBA ROM and PSX ISO? That's st least in-line with the goal of the project. 

PSX, GBA, Jaguar etc versions of maps already exist as freely available (painstakingly manually reverse engineered, as I understand it) PWADs, so I'd say just run those as mods.